<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span @click="select(2,$event)" class="block positive" :class="{'active':selectType===2}">{{desc.all}}<span
        class="count"></span>{{positives.length+negatives.length}}</span>
      <span @click="select(0,$event)" class="block positive" :class="{'active':selectType===0}">{{desc.positive}}<span
        class="count">{{positives.length}}</span></span>
      <span @click="select(1,$event)" class="block negative" :class="{'active':selectType===1}">{{desc.negative}}<span
        class="count">{{negatives.length}}</span></span>
    </div>
    <div @click="toggleContent" class="switch" :class="{'on':onlyContent}">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      ratings: {
        type: Array,
        default() {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL,
      },
      onlyContent: {
        type: Boolean,
        default: false,
      },
      desc: {
        type: Object,
        default() {
          return {
            all: '全部',
            positive: '满意',
            negative: '吐槽',
          }
        }
      }
    },
    computed: {
      positives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === POSITIVE;
        });
      },
      negatives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === NEGATIVE;
        });
      },
    },
    methods: {
      //按钮事件 点击修改selectType
      select(type, event) {
        if (!event._constructed) {
          return;
        }
        //this.selectType = type;
        //提交'cart-add'事件给父组件，第二个是要传递的参数
        this.$emit('selectTypeEvent', type);
      },
      toggleContent() {
        if (!event._constructed) {
          return;
        }
        //this.onlyContent = !this.onlyContent;
        //提交'cart-add'事件给父组件，第二个是要传递的参数
        this.$emit('contentEvent', !this.onlyContent);
      }
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"

  .ratingselect
    .rating-type
      padding 18px 0
      margin 0 18px
      border-1px(rgba(7, 17, 27, 0.1))
      font-size 0;
      .block
        display inline-block
        padding 8px 12px
        border-radius 2px
        margin-right 8px
        line-height 16px
        font-size 12px
        color rbg(77, 85, 93)
        &.active
          color #fff
        .count
          margin-left 2px
          font-size 8px

        &.positive
          background rgba(0, 160, 220, 0.2)
          &.active
            background rgb(0, 160, 220)
        &.negative
          background rgba(77, 85, 93, 0.2)
          &.active
            background rgb(77, 85, 93)
    .switch
      padding 12px 18px
      line-height 24px
      border-bottom 1px solid rgba(7, 17, 27, 0.1)
      color rgb(147, 153, 159)
      font-size 0
      &.on
        .icon-check_circle
          color #00c850
      .icon-check_circle
        display inline-block
        vertical-align top
        font-size 24px
        margin-right 4px
      .text
        display inline-block
        vertical-align top
        font-size 12px


</style>
